The square root of 15.2 is: ± 3.898718
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It is [1+ (square root (5))] /2. Just remember 152 and the rest falls into place.
If you mean the hypotenuse of a right angle triangle with sides of 15 cm then use Pythagoras: theorem of:- 152+152 = 450 and the square root of this is length of the hypotenuse which is 15 times the square root of 2 or about 21.213 cm to three decimal places
There are infinitely many of them. They include square root of (4.41) square root of (4.42) square root of (4.43) square root of (4.44) square root of (4.45) square root of (5.3) square root of (5.762) square root of (6) square root of (6.1) square root of (6.2)
True! Apex =)
A principal square root is any square root that's answer is positive, and a perfect square root is a square root that's answer is an integer.